CN111451664A - Construction pipeline welding auxiliary device - Google Patents
Construction pipeline welding auxiliary device Download PDFInfo
- Publication number
- CN111451664A CN111451664A CN202010464930.8A CN202010464930A CN111451664A CN 111451664 A CN111451664 A CN 111451664A CN 202010464930 A CN202010464930 A CN 202010464930A CN 111451664 A CN111451664 A CN 111451664A
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- cylinder
- pipeline
- pipelines
- fixedly connected
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/027—Making tubes with soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to an auxiliary device, in particular to a construction pipeline welding auxiliary device. The utility model provides a can make things convenient for people to rotate the pipeline and weld, improve work efficiency to can also be in the welding, cool off the good part of welding, construction pipeline welding auxiliary device that cooling rate is fast. Comprises a bottom plate, supporting legs, an annular slide rail, an annular slide block and the like; the left side and the right side of the bottom plate are fixedly connected with supporting legs, and the left side and the right side of the top of the bottom plate are fixedly connected with annular sliding rails. According to the invention, the two pipelines are respectively placed into the left and right side cylinders, the inner ends of the two pipelines are contacted, an operator can weld the pipelines, and after a part of the pipelines is welded, the operator can step on the pedal, so that the pipelines rotate to enable the part which is not welded to rotate to the upper side for welding, the operation is more convenient, the pipelines do not need to be manually rotated, the working efficiency is improved, the welded part can be cooled while welding through the action of the air injection device, and the cooling speed is accelerated.
Description
Technical Field
The invention relates to an auxiliary device, in particular to a construction pipeline welding auxiliary device.
Background
During construction, people need carry out multiple operation and have accomplished every construction process, then need use the material of a large amount of differences according to the demand, the pipeline then is one of the material that wherein need use, and the pipeline usage is very big when construction, nevertheless because the pipeline is generally laid a section very long distance, need use the construction degree that many pipelines laid into the demand, pipeline production all is shorter, then need with the pipeline welding together reach the use length of demand.
At present, people all put two pipelines subaerial, take welder to weld the pipeline again, but because the splice of pipeline is circular, people have welded partly back, need rotate with the hand pulling pipeline for unwelded part is in the top, welds again, and it is more troublesome to lead to the operation, has reduced work efficiency, and the pipeline that welds is got up is longer, in order to better rotation pipeline, needs many people to rotate the pipeline simultaneously, and the cost of labor is high.
In addition, the temperature of the welded part of the pipeline is high after welding is finished, and the pipeline can be used after cooling, but people generally use natural cooling, and the problem of long cooling time exists in the natural cooling, so that people can use the pipeline after waiting for a long time.
Therefore, a construction pipeline welding auxiliary device which can facilitate people to weld pipelines in a rotating mode, improves the working efficiency, can cool welded parts while welding and is high in cooling speed is particularly needed.
Disclosure of Invention
In order to overcome people and welded partly back, need rotate with the hand pulling pipeline, weld again, reduced work efficiency, the natural cooling also has the shortcoming of the longer problem of cooling time, and the technical problem that solves is: the utility model provides a can make things convenient for people to rotate the pipeline and weld, improve work efficiency to can also be in the welding, cool off the good part of welding, construction pipeline welding auxiliary device that cooling rate is fast.
The technical scheme of the invention is as follows: the utility model provides a construction pipeline welding auxiliary device, comprising a base plate, the landing leg, the annular slide rail, annular slider and drum, bottom plate bottom left and right sides all the rigid coupling has the landing leg, bottom plate top left and right sides all the rigid coupling has the annular slide rail, the gliding annular slider that is equipped with on the annular slide rail, annular slider and annular slide rail sliding fit, annular slider medial surface rigid coupling has the drum that can make the pipeline place, left and right sides drum symmetry sets up, still including the footboard, the ratchet, ratchet and hold-down mechanism, left side drum top left side all is equipped with hold-down mechanism with right side drum top right side, hold-down mechanism is used for compressing tightly the pipeline, the ratchet is installed to left side drum lateral surface right part, the ratchet rear side is equipped with four ratchets.
Further, the movable rod, the vertical spring, the movable plate, the torsion spring and the fixed block are included, a through hole with a guiding effect is formed in the rear side of the left portion of the bottom plate, the movable rod is arranged in the through hole, the movable rod is fixedly connected to the top end of the movable rod, the movable plate is located on the rear side of the left side cylinder, the front side of the movable plate is hinged to four ratchets at uniform intervals, the torsion spring is arranged at the hinged position of each ratchet and the movable plate, the number of the fixed blocks for limiting the ratchets can be four, the fixed blocks are installed on the front side of the movable plate at uniform intervals, the four fixed blocks are located above each ratchet respectively, the vertical spring is connected between.
Further, hold-down mechanism is including screw rod and clamp plate, and threaded hole is all opened on the left side of the outer top of left side drum and the outer top right side of right side drum, and threaded hole is equipped with the screw rod, and the recess has all been opened on the left side of the top in the left side drum and the right side drum right side in the right side drum, and the recess is located the screw hole below rather than the intercommunication, and being equipped with of screw rod bottom rotary type can be with the clamp plate that the pipeline compressed tightly, and the.
Further, still including the air jet system that can be to pipeline welding department refrigerated, the air jet system is including the cylinder, a piston, L type pole, the intake pipe, the check valve, the outlet duct, hollow slab of arc and shower nozzle, open at the bottom plate middle part has the guide hole, the rigid coupling has the cylinder in the middle of the bottom plate bottom, be equipped with the piston in the cylinder, the rigid coupling has L type pole in the middle of the piston bottom, L type pole tail end passes in the middle of the cylinder bottom and movable rod right flank lower part, cylinder right side upper portion is connected with the intake pipe, intake pipe and cylinder intercommunication, be equipped with the check valve in the intake pipe, cylinder top intermediate junction has the outlet duct, the outlet duct communicates in with the cylinder, the outlet duct tail end passes the guide hole and is connected with hollow slab of arc, hollow slab communicates in hollow slab and the outlet duct, seven shower nozzles are connected.
The pipeline support device is characterized by further comprising a horizontal slide rail, a horizontal slide block and an arc support plate, wherein the middle parts of the left side surface and the right side surface of the bottom plate are fixedly connected with the horizontal slide rail, the horizontal slide rail is provided with three horizontal slide blocks in a sliding mode, the horizontal slide block is in sliding fit with the horizontal slide rail, and the arc support plate capable of supporting a pipeline is fixedly connected to the middle of the top of the horizontal slide block.
And the middle of the top of the connecting rod is fixedly connected with the indicating needle.
According to the invention, the two pipelines are respectively placed into the left and right side cylinders, the inner ends of the two pipelines are contacted, an operator can weld the pipelines, and after a part of the pipelines is welded, the operator can step on the pedal, so that the pipelines rotate to enable the part which is not welded to rotate to the upper side for welding, the operation is more convenient, the pipelines do not need to be manually rotated, the working efficiency is improved, the welded part can be cooled while welding through the action of the air injection device, and the cooling speed is accelerated.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partial left-view structural diagram of the present invention.
Fig. 3 is an enlarged schematic view of part a of the present invention.
Fig. 4 is a partial left-side view structural schematic diagram of the air injection device of the invention.
In the figure, 1 a bottom plate, 2 supporting legs, 3 an annular slide rail, 4 an annular slide block, 5 cylinders, 6 through holes, 7 movable rods, 8 vertical springs, 9 pedals, 10 movable plates, 11 ratchet wheels, 12 ratchet teeth, 13 torsion springs, 14 fixed blocks, 15 pressing mechanisms, 151 threaded holes, 152 screw rods, 153 pressing plates, 154 grooves, 16 air injection devices, 161 air cylinders, 162 pistons, 163L type rods, 164 air inlet pipes, 165 check valves, 166 guide holes, 167 air outlet pipes, 168 arc hollow plates, 169 spray heads, 17 horizontal slide rails, 18 horizontal slide blocks, 19 arc support plates, 20 connecting rods and 21 indicator needles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
Referring to fig. 1, 2 and 3, an auxiliary device for welding a construction pipeline comprises a bottom plate 1, supporting legs 2, an annular slide rail 3, an annular slide block 4, a cylinder 5, a movable rod 7, a vertical spring 8, a pedal 9, a movable plate 10, a ratchet 11, ratchets 12, a torsion spring 13, a fixed block 14 and a pressing mechanism 15, wherein the supporting legs 2 are fixedly connected to the left side and the right side of the bottom plate 1, the annular slide rail 3 is fixedly connected to the left side and the right side of the top of the bottom plate 1, the annular slide block 4 is slidably arranged on the annular slide rail 3, the annular slide block 4 is slidably matched with the annular slide rail 3, the cylinder 5 for placing a pipeline is fixedly connected to the inner side of the annular slide block 4, the cylinders 5 on the left side and the right side are symmetrically arranged, the pressing mechanism 15 capable of pressing the pipeline is arranged on the left side of the top of the cylinder 5 on the, the rear side of the left part of the bottom plate 1 is provided with a through hole 6 playing a guiding role, a movable rod 7 is arranged in the through hole 6, the top end of the movable rod 7 is fixedly connected with a movable plate 10, the movable plate 10 is positioned at the rear side of the left cylinder 5, the front side surface of the movable plate 10 is hinged with four ratchets 12 at uniform intervals, the ratchets 12 are positioned at the front rear side of a ratchet 11 and are meshed with the ratchet 11, the hinged parts of the ratchets 12 and the movable plate 10 are provided with torsion springs 13, four fixed blocks 14 for limiting the ratchets 12 can be arranged, the fixed blocks 14 are uniformly arranged at the front side surface of the movable plate 10 at intervals, the fixed blocks 14 are connected with the movable plate 10 in a bolting connection mode, the four fixed blocks 14 are respectively positioned above each ratchet 12, vertical.
Hold-down mechanism 15 is including screw rod 152 and clamp plate 153, and threaded hole 151 has all been opened on the left side of the outer top of left side drum 5 and the outer top right side of right side drum 5, is equipped with screw rod 152 in the threaded hole 151, and recess 154 has all been opened on the left side of the top in the left side drum 5 and the right side drum 5, and recess 154 is located threaded hole 151 below and communicates, and being equipped with of screw rod 152 bottom rotary type can be with the clamp plate 153 that the pipeline compressed tightly, and clamp plate 153 is located recess 154.
The working principle is as follows: firstly, an operator respectively puts two pipelines between the left and right side cylinders 5, the inner ends of the two pipelines are contacted, then the pipelines are pressed tightly by the pressing mechanism 15, the operator can hold a welding gun to weld the contact position of the two pipelines, when one part of the pipelines is welded, the pedal 9 is stepped to move downwards, the pedal 9 moves downwards to drive the movable rod 7 to move downwards, the vertical spring 8 is stretched, the movable rod 7 moves downwards to drive the movable plate 10 to move downwards, the movable plate 10 moves downwards to drive the ratchet 12 to move downwards, the ratchet 12 moves downwards to drive the ratchet 11 to rotate backwards through the fixed block 14, the ratchet 11 rotates backwards to drive the left side cylinder 5 to rotate backwards, the left side cylinder 5 rotates backwards to drive the left side pipeline to rotate backwards, the left side pipeline rotates backwards to drive the right side pipeline to rotate backwards through the welding position, when the non-welded part rotates upwards, the pedal 9 can be loosened due to the action of the vertical, the movable rod 7 moves upwards to drive the movable plate 10 to move upwards, the movable plate 10 moves upwards to drive the ratchet 12 to move upwards, the ratchet 12 moves upwards to slide on the ratchet 11 under the action of the torsion spring 13, the ratchet 11 is not driven to rotate, and the pipeline can be continuously welded. So relapse, can weld two pipelines completely, then need not the hand pulling pipeline and rotate to unwelded part, it is more convenient. After the two pipes are welded together, the pipes can be loosened by the pressing mechanism 15, and the welded pipes can be taken out from the cylinder 5.
When two pipelines are respectively placed into the left and right side cylinders 5 and are contacted together, an operator can twist the screw 152 to rotate forwards, the screw 152 rotates forwards and moves downwards through the threaded hole 151, the screw 152 moves downwards to drive the pressing plate 153 to move downwards, the pressing plate 153 moves downwards to be contacted with the pipelines to press the pipelines tightly, the twisting of the screw 152 is stopped, and the pipelines can be welded. After the pipeline is welded, the twisting screw 152 reversely moves upwards to drive the pressing plate 153 to move upwards, the pressing plate 153 loosens the pipeline, the twisting screw 152 is stopped, and the pipeline is taken out from the cylinder 5.
Example 2
On the basis of embodiment 1, referring to fig. 1-4, the spray device 16 for cooling a pipeline welding part is further included, the spray device 16 includes a cylinder 161, a piston 162, an L-shaped rod 163, an air inlet pipe 164, a one-way valve 165, an air outlet pipe 167, an arc-shaped hollow plate 168 and a spray head 169, the middle of the bottom plate 1 is provided with a guide hole 166, the middle of the bottom plate 1 is fixedly connected with the cylinder 161, the cylinder 161 is connected with the bottom plate 1 through a bolting mode, the piston 162 is arranged in the cylinder 161, the middle of the bottom of the piston 162 is fixedly connected with the L-shaped rod 163, the tail end of the L-shaped rod 163 penetrates through the middle of the bottom of the cylinder 161 and the lower portion of the right side surface of the movable rod 7, the upper portion of the right side of the cylinder 161 is connected with the air inlet pipe 164, the air inlet pipe 164 is communicated with the inside of the cylinder 161, the air inlet pipe 165 is provided with the one-way valve 165, the middle of the top of the cylinder 161 is connected with the air outlet pipe 167, the air outlet pipe 167 is communicated with the inside of the cylinder 161, the tail end of the guide hole 166.
The working principle is that when an operator steps on the pedal 9 to move downwards to enable the movable rod 7 to move downwards, the movable rod 7 further drives the L-type rod 163 to move downwards, the L-type rod 163 moves downwards to drive the piston 162 to move downwards, the piston 162 moves downwards to draw air into the cylinder 161 through the air inlet pipe 164, when the movable rod 7 moves upwards, the movable rod 7 also drives the L-type rod 163 to move upwards, the L-type rod 163 moves upwards to drive the piston 162 to move upwards, the piston 162 moves upwards to push the air in the cylinder 161 into the air outlet pipe 167, the air in the air outlet pipe 167 is discharged into the arc-shaped hollow plate 168, the air in the arc-shaped hollow plate 168 is sprayed out through the spray head 169 to cool a welding position of a pipeline, and the air spraying out to cool the welding position of the pipeline every time the pedal 9 is stepped by the operator repeatedly.
Example 3
On the basis of the embodiment 1-2, referring to fig. 1-4, the device further comprises a horizontal slide rail 17, a horizontal slide block 18 and an arc-shaped support plate 19, the horizontal slide rail 17 is fixedly connected to the middle of the left side surface and the right side surface of the bottom plate 1, the three horizontal slide blocks 18 are slidably arranged on the horizontal slide rail 17, the horizontal slide blocks 18 are in sliding fit with the horizontal slide rail 17, the arc-shaped support plate 19 capable of supporting a pipeline is fixedly connected to the middle of the top of each horizontal slide block 18, and the arc-shaped support plate 19 is connected with the horizontal slide blocks 18 in a.
The working principle is as follows: when the pipeline is longer, an operator can pull the arc-shaped supporting plate 19 to move outwards to a position where the pipeline can be supported through the horizontal sliding rail 17 and the horizontal sliding block 18, and when the pipeline is placed into the cylinder 5 to be fixed, the arc-shaped supporting plate 19 supports the pipeline. Thus, the pipeline can be prevented from being too long and downwards inclined to influence the rotation.
Example 4
On the basis of the embodiment 1-3, referring to fig. 1-4, the device further comprises a connecting rod 20 and an indicating needle 21, the connecting rod 20 is fixedly connected between the middle part of the rear side of the right side surface of the left side cylinder 5 and the middle part of the rear side of the left side surface of the right side cylinder 5, and the indicating needle 21 is fixedly connected in the middle of the top of the connecting rod 20.
The working principle is as follows: when two pipelines are respectively placed into the left and right side cylinders 5, the contact positions of the inner ends of the two pipelines correspond to the indicating needle 21, and when the left side cylinder 5 drives the left side pipeline to rotate, the left side cylinder 5 drives the right side pipeline to rotate through the connecting rod 20. Therefore, the welding position of the two pipelines can be accurately moved to be right above the spray nozzle 169.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (6)
1. The utility model provides a construction pipeline welding auxiliary device, comprising a base plate, the landing leg, the annular slide rail, annular slider and drum, bottom plate bottom left and right sides all the rigid coupling has the landing leg, bottom plate top left and right sides all the rigid coupling has the annular slide rail, the gliding annular slider that is equipped with on the annular slide rail, annular slider and annular slide rail sliding fit, annular slider medial surface rigid coupling has the drum that can make the pipeline place, left and right sides drum symmetry sets up, a serial communication port, still including the footboard, the ratchet, ratchet and hold-down mechanism, left side drum top left side all is equipped with hold-down mechanism with right side drum top right side, hold-down mechanism is used for compressing tightly the pipeline, the ratchet is installed to left side drum lateral surface right part, the ratchet rear side is equipped with four ratchets.
2. The auxiliary welding device for the construction pipeline according to claim 1, further comprising a movable rod, a vertical spring, a movable plate, a torsion spring and fixed blocks, wherein a through hole for guiding is formed in the rear side of the left portion of the bottom plate, the movable rod is arranged in the through hole, the movable plate is fixedly connected to the top end of the movable rod and located on the rear side of the left cylinder, the front side of the movable plate is hinged to four ratchets at uniform intervals, the torsion spring is arranged at the hinged position of the ratchets and the movable plate, the number of the fixed blocks for limiting the ratchets is four, the fixed blocks are mounted on the front side of the movable plate at uniform intervals, the four fixed blocks are respectively located above each ratchet, the vertical spring is connected between the middle portion of the movable rod and the left.
3. The auxiliary welding device for the construction pipeline according to claim 2, wherein the pressing mechanism comprises a screw rod and a pressing plate, threaded holes are formed in the left side of the outer top of the left cylinder and the right side of the outer top of the right cylinder, the screw rod is arranged in the threaded holes, grooves are formed in the left side of the inner top of the left cylinder and the right side of the inner top of the right cylinder, the grooves are located below the threaded holes and communicated with the threaded holes, the pressing plate capable of pressing the pipeline is rotatably arranged at the bottom end of the screw rod, and the pressing plate is located in the grooves.
4. The auxiliary welding device for construction pipelines according to claim 3, further comprising an air injection device for cooling the welding position of the pipelines, wherein the air injection device comprises an air cylinder, a piston, an L-shaped rod, an air inlet pipe, a one-way valve, an air outlet pipe, an arc-shaped hollow plate and spray heads, the middle part of the bottom plate is provided with a guide hole, the middle part of the bottom plate is fixedly connected with the air cylinder, the piston is arranged in the air cylinder, the middle part of the bottom of the piston is fixedly connected with a L-shaped rod, the tail end of the L-shaped rod penetrates through the middle of the bottom of the air cylinder and the lower part of the right side surface of the movable rod, the air inlet pipe is connected with the upper part of the right side of the air cylinder and is communicated with the inside of the air cylinder, the air inlet pipe is provided with the one-way valve, the air outlet pipe is connected with the inside of the air cylinder, the tail.
5. The auxiliary welding device for the construction pipeline according to claim 4, further comprising horizontal sliding rails, horizontal sliding blocks and arc-shaped supporting plates, wherein the horizontal sliding rails are fixedly connected to the middle portions of the left side surface and the right side surface of the bottom plate, the three horizontal sliding blocks are slidably arranged on the horizontal sliding rails, the horizontal sliding blocks are slidably matched with the horizontal sliding rails, and the arc-shaped supporting plates capable of supporting the pipeline are fixedly connected to the middle portions of the tops of the horizontal sliding blocks.
6. The auxiliary welding device for construction pipelines as claimed in claim 5, further comprising a connecting rod and an indicating needle, wherein the connecting rod is fixedly connected between the middle part of the rear side of the right side surface of the left side cylinder and the middle part of the rear side of the left side surface of the right side cylinder, and the indicating needle is fixedly connected in the middle of the top of the connecting rod.
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CN202010464930.8A CN111451664A (en) | 2020-05-28 | 2020-05-28 | Construction pipeline welding auxiliary device |
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CN202010464930.8A CN111451664A (en) | 2020-05-28 | 2020-05-28 | Construction pipeline welding auxiliary device |
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Cited By (3)
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CN112621056A (en) * | 2020-12-10 | 2021-04-09 | 周凯锋 | Warm fastener for pipe fitting welding that leads to convenient to clearance |
CN113664517A (en) * | 2021-10-20 | 2021-11-19 | 南通苏瑞冷暖科技发展有限公司 | A crooked pipeline supports protective structure for municipal heating usefulness |
CN114310053A (en) * | 2022-01-11 | 2022-04-12 | 福建明泰卫浴有限公司 | Elbow joint welding device |
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CN110524182A (en) * | 2019-09-05 | 2019-12-03 | 廖志强 | A kind of steel-pipe welding auxiliary device |
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CN210334707U (en) * | 2019-07-16 | 2020-04-17 | 中国电子***工程第三建设有限公司 | Argon arc welding device convenient for pipeline |
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CN108555487A (en) * | 2018-04-30 | 2018-09-21 | 王建英 | A kind of fixed cooling device of heating and ventilating pipeline welding |
CN108747185A (en) * | 2018-07-16 | 2018-11-06 | 浙江树人学院 | A kind of pipeline special purpose robot |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112621056A (en) * | 2020-12-10 | 2021-04-09 | 周凯锋 | Warm fastener for pipe fitting welding that leads to convenient to clearance |
CN113664517A (en) * | 2021-10-20 | 2021-11-19 | 南通苏瑞冷暖科技发展有限公司 | A crooked pipeline supports protective structure for municipal heating usefulness |
CN113664517B (en) * | 2021-10-20 | 2021-12-28 | 南通苏瑞冷暖科技发展有限公司 | A crooked pipeline supports protective structure for municipal heating usefulness |
CN114310053A (en) * | 2022-01-11 | 2022-04-12 | 福建明泰卫浴有限公司 | Elbow joint welding device |
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Application publication date: 20200728 |
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